senate republicans have there aed a vote on chuck hagel to replace him for another ten days, using an unprecedented filibuster. unprecedented for defense nominee. president obama says they are putting politics ahead of national security. >> i'm still presiding over a war in afghanistan and need a secretary of defense who is coordinating with allies to make sure our troops are getting the kind of strategy and mission they deserve. >> mean tooil, the president returns home to chicago today for the last in a series of campaign style events. this week they are focused for plans on the economy and education that he outlined in the state of the union address. gun violence also on the agenda when the president speaks to a chicago high school. dan lothian live at the white house with a preview. homecoming of sorts, dan. >> the president will be speaking at hyde park academy, and as you pointed out, the main focus will be the economy. but the president will be talking about gun violence in a city that last year had almost 2500 shootings and more than 500 murders, and, of course, you have the h